The motherboard will not work if you have another defective component(Rams, video cable, LCD, AC adapter, power jack, daughter board, etc. ).
NEW Dell Inspiron 13 5379 15 5579 Motherboard Intel i7-8550U 1.8GHz DNKMK
NEW Dell Inspiron 13 7368 15 7569 Motherboard Intel i7-6500U 2.5GHz 8DX5J
NEW Dell Inspiron 13 5379 15 5579 Motherboard Intel i5-8250U 1.6GHz 0KJ0J
NEW Dell Inspiron 13 5368 15 5568 Motherboard Intel i7-6500U 2.5GHz CPU PJDNR
NEW Dell Inspiron 15R 5521 15 3521 Motherboard Intel Graphics 3H0VW
Dell Inspiron 13 7378 13.3" OEM Intel i5-7200U 2.5GHz Motherboard 0M56T 00M56T